qt項目：大恆相機實時采集，單幀采集，並且在屏幕上顯示，含有保存bmp圖片功能

ref: 

https://blog.csdn.net/qq_35299223/article/details/103754599?utm_medium=distribute.pc_relevant_download.none-task-blog-2~default~searchFromBaidu~default-10.test_version_3&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-2~default~searchFromBaidu~default-10.test_version_

 

軟件框架

ui界面框架

 

.pro文件

#-------------------------------------------------
#
# Project created by QtCreator 2019-12-20T09:41:39
#
#-------------------------------------------------

QT       += core gui
QT+=charts
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets printsupport

TARGET = RailMeasurement
TEMPLATE = app

# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0


SOURCES += \
        main.cpp \
        mainwindow.cpp \
    qcustomplot.cpp \
    camerawindow.cpp \
    mat2qtformatmethod.cpp \
    cgxbitmap.cpp \
    convertstring.cpp \
    drawwidget.cpp

HEADERS += \
        mainwindow.h \
    qcustomplot.h \
    camerawindow.h \
    mat2qtformatmethod.h \
    cgxbitmap.h \
    convertstring.h \
    drawwidget.h

FORMS += \
        mainwindow.ui \
    camerawindow.ui

# opencv環境，添加了imgproc,core，highui庫
win32:CONFIG(release, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_imgproc2413
else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_imgproc2413d
else:unix: LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_imgproc2413

INCLUDEPATH += $$PWD/../../cvpack/package/opencv/build/include
DEPENDPATH += $$PWD/../../cvpack/package/opencv/build/include


win32:CONFIG(release, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_core2413
else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_core2413d
else:unix: LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_core2413

INCLUDEPATH += $$PWD/../../cvpack/package/opencv/build/include
DEPENDPATH += $$PWD/../../cvpack/package/opencv/build/include


win32:CONFIG(release, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_highgui2413
else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_highgui2413d
else:unix: LIBS += -L$$PWD/../../cvpack/package/opencv/build/x64/vc14/lib/ -lopencv_highgui2413

INCLUDEPATH += $$PWD/../../cvpack/package/opencv/build/include
DEPENDPATH += $$PWD/../../cvpack/package/opencv/build/include

# 大恆sdk環境，添加了C++庫和包含路徑，沒有添加c程序的庫
unix|win32: LIBS += -L$$PWD/'../../CameraDemo/C++ SDK/lib/x64/' -lGxIAPICPPEx

INCLUDEPATH += $$PWD/'../../CameraDemo/C++ SDK/lib/x64'
DEPENDPATH += $$PWD/'../../CameraDemo/C++ SDK/lib/x64'

INCLUDEPATH += $$PWD/'../../CameraDemo/C++ SDK/inc'
DEPENDPATH += $$PWD/'../../CameraDemo/C++ SDK/inc'

CONFIG +=C++11

camerawindow.h

#ifndef CAMERAWINDOW_H
#define CAMERAWINDOW_H
#include "GalaxyIncludes.h"
#include <QDebug>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include "mat2qtformatmethod.h"
#include <QPixmap>
#include <QImage>
#include <QLabel>
#include <QMessageBox>
#include <string>
#include "cgxbitmap.h"
#include "convertstring.h"
#include <time.h>
#include <QPainter>
#include "drawwidget.h"


struct CameraWindowGeoParams{
    int WidgetWidth;
    int WidgetHeight;
    int LabelWidth;
    int LabelHeight;
    int LineeditWidth;
    int LineeditHeight;
    int ButtonWidth;
    int ButtonHeight;
};
struct MyUserParam{
    cv::Mat CurImgMat;
    QLabel* LabelShowImgPtr;
};



#include <QWidget>

namespace Ui {
class CameraWindow;
struct CameraWindowGeoParams;
//class CSampleCaptureEventHandler;
}

class CameraWindow : public QWidget
{
    Q_OBJECT

private:
    //回調采集事件類
    class CSampleCaptureEventHandler : public ICaptureEventHandler
     {
    public:

       void DoOnImageCaptured(CImageDataPointer& objImageDataPointer, void* pUserParam)
       {

           if (objImageDataPointer->GetStatus() == GX_FRAME_STATUS_SUCCESS)
           {                  
               CameraWindow* CamUiPtr=(CameraWindow*)pUserParam;
               //以下為連續采集部分的顯示
               void* pRaw8Buffer = NULL;
               pRaw8Buffer = objImageDataPointer->ConvertToRaw8(GX_BIT_0_7);
               std::memcpy(CamUiPtr->CurImgMat.data, pRaw8Buffer, (objImageDataPointer->GetHeight())*(objImageDataPointer->GetWidth()));
               //cv::flip(CamUiPtr->CurImgMat, CamUiPtr->CurImgMat, 0);//大恆的圖像要進行翻轉，但是此處似乎不需要翻轉

               //調用自定義繪圖函數進行繪制實時采集圖像
               CamUiPtr->ShowCurImgInLabel(CamUiPtr->LabelShowCurImg,CamUiPtr->CurImgMat);

               //重新調整圖像大小以適應窗口,並且此處進行了數據更新，這樣才能使用update()函數
               //使用drawimage進行繪圖的代碼
               //先得到一張完整的qimage,然后根據窗口進行修改qimage的大小，最后再進行更新。更行時需要對窗口進行提升，使用自定義窗口。
               //使用update進行畫圖有更好的連續性效果
               //CamUiPtr->CurImgQimg=CV2QTFORMAT::cvMatToQImage(CamUiPtr->CurImgMat);
               //CamUiPtr->pDrawWidget->ReSizeImg(CamUiPtr->CurImgQimg);
               //CamUiPtr->pDrawWidget->update();

               //單幀采集
               if(CamUiPtr->m_bCheckSaveBmp==true){
                   MakeMyDirectory(CamUiPtr->strFilePath);//創建文件夾
                   std::string PathAndName=CamUiPtr->strFilePath+"\\"+CamUiPtr->strFileName;
                   CamUiPtr->m_pBitmap->SaveBmp(objImageDataPointer,PathAndName);//保存單幀圖像
                   CamUiPtr->m_bCheckSaveBmp=false;

                   //通過讀取的方式畫出單幀圖像
                   QString LoadImgName=QString::fromStdString(PathAndName);
                   CamUiPtr->SingleImgPixMap.load(LoadImgName,nullptr,Qt::AutoColor);
                   CamUiPtr->LabelSingleImg->setPixmap(CamUiPtr->SingleImgPixMap);

                   //僅僅在激發采集的時候是有意義的
                   CamUiPtr->TimeTakePhoto=clock();
                   qDebug()<<(double)(CamUiPtr->TimeTakePhoto-CamUiPtr->TimePushButton);
                   CamUiPtr->TimePushButton=0;
                   CamUiPtr->TimeTakePhoto=0;
               }
            }
       }
     };


public:
    explicit CameraWindow(QWidget *parent = 0);
    ~CameraWindow();

    void CamWinParamsSet(int _WidgetW, int _WidgetH, int _SmallPartW, int _SmallPartH);

private slots:
    void on_pushButton_ListDevice_clicked();

    void on_pushButton_OpenCam_clicked();

    void on_pushButton_CloseCam_clicked();

    void on_pushButton_StartGrab_clicked();

    void on_pushButton_StopGrab_clicked();

    void on_pushButton_GetImg_clicked();
    
    void on_pushButton_ParamsSet_clicked();
    
private:
    Ui::CameraWindow *ui;
    CameraWindowGeoParams CwParas;
    //相機庫
    GxIAPICPP::gxdeviceinfo_vector vectorDeviceInfo;//枚舉設備結果
    CGXDevicePointer ObjDevicePtr;//當前界面操作的相機指針
    CGXStreamPointer ObjStreamPtr;//流采集指針
    CGXFeatureControlPointer ObjFeatureControlPtr;//遠端設備控制器
    ICaptureEventHandler* pCaptureEventHandler;//注冊回調事件指針

    //Opencv參數
    cv::Mat CurImgMat;//實時窗口的Mat
    void AllocateRoomForMatCurImgPtr();//為實時采集窗口指針分配空間

    //這里使用string，然后使用自定義函數進行轉換，放棄了MFC的CString類
    std::string strFilePath;//保存路徑
    std::string strFileName;//文件名稱

    // 保存圖像為BMP格式
    CGXBitmap*  m_pBitmap;// 保存圖像指針
    bool m_bCheckSaveBmp;// 是否保存圖片
    int ImgWidth;//記錄圖片的寬度
    int ImgHeight;//記錄圖片的高度

    //展示窗口指針
    QLabel* LabelShowCurImg;
    QLabel* LabelSingleImg;
    QPixmap SingleImgPixMap;
    QPixmap CurImgPixMap;//畫一個當前的圖
    DrawWidget* pDrawWidget;//提升窗口指針，使用drawqimage顯示實時圖像

    //使用Painter事件來繪圖drawQimg
    QImage CurImgQimg;
    QSize LableSize;

    //計時函數
    clock_t TimePushButton;
    clock_t TimeTakePhoto;
    double DelayTime;//用於后期設定延時時間

    //窗口幾何參數設計
    void GeoSetWidgetCurInput(int _x, int _y, int _width, int _height);//設置實時采集框幾何尺寸
    void GeoSetWidgetSampleImg(int _x, int _y, int _width, int _height);//設置單幀采集幾何尺寸
    void GeoSetFrameParamsSet(int _x, int _y, int _width, int _height, int _dx, int _dy);//設置參數框幾何尺寸
    void GeoSetFrameCamOperate();//設置操作框幾何尺寸
    void GeoSetFrameWinInfo();//設置抬頭框幾何尺寸

    //繪制實時采集圖像成比例
    void ShowCurImgInLabel(QLabel* ptrLabelToShow,cv::Mat& CVMat);
};

#endif // CAMERAWINDOW_H

 

cgxbitmap.h

#ifndef CGXBITMAP_H
#define CGXBITMAP_H

//------------------------------------------------------------------------
/*
\file        GXBitmap.h
\brief        此類主要用於圖像的顯示和存儲，圖像顯示和存儲可以自適應黑白彩色相機，
圖像存儲可以存儲為Bmp、Raw，對圖像顯示和存儲進行了聲明
*/
//------------------------------------------------------------------------
#include "GalaxyIncludes.h"
#include "convertstring.h"
class CGXBitmap
{
public:
    //構造函數
    CGXBitmap(CGXDevicePointer& objCGXDevicePointer);

    //析構函數
    ~CGXBitmap(void);

     //顯示圖像
     void Show(CImageDataPointer& objCImageDataPointer);

     //顯示圖像及幀率
     void Show(CImageDataPointer& objCImageDataPointer,char* strDeviceSNFPS);

     //圖像處理后並顯示圖像
     void ShowImageProcess(CImageProcessConfigPointer& objCfg,CImageDataPointer& objCImageDataPointer);

     // 存儲Bmp圖像
     void SaveBmp(CImageDataPointer& objCImageDataPointer,const std::string& strFilePath);

     // 存儲Raw圖像
     void SaveRaw(CImageDataPointer& objCImageDataPointer,const std::string& strFilePath);

     //通過GX_PIXEL_FORMAT_ENTRY獲取最優Bit位
     GX_VALID_BIT_LIST GetBestValudBit(GX_PIXEL_FORMAT_ENTRY emPixelFormatEntry);
private:
    //判斷PixelFormat是否為8位
    bool __IsPixelFormat8(GX_PIXEL_FORMAT_ENTRY emPixelFormatEntry);

    //為彩色相機圖像顯示准備資源
    void __ColorPrepareForShowImg();

    //為黑白相機圖像顯示准備資源
    void __MonoPrepareForShowImg();

    //判斷是否兼容
    bool __IsCompatible(BITMAPINFO *pBmpInfo, uint64_t nWidth, uint64_t nHeight);

    //更新Bitmap的信息
    void __UpdateBitmap(CImageDataPointer& objCImageDataPointer);

    //將m_pBufferRGB中圖像顯示到界面
    void __DrawImg(BYTE* pBuffer);

    //將m_pBufferRGB中圖像和幀率顯示到界面
    void __DrawImg(BYTE* pBuffer, char* strDeviceSNFPS);

    //計算寬度所占的字節數
    int64_t __GetStride(int64_t nWidth, bool bIsColor);


private:
    //CameraWindow*      pCamw;                           //<顯示圖像窗口(控件)指針
    bool               m_bIsColor ;                      //<是否支持彩色相機
    int64_t            m_nImageHeight;                   //<原始圖像高
    int64_t            m_nImageWidth;                    //<原始圖像寬
    BITMAPINFO         *m_pBmpInfo;                         //<BITMAPINFO 結構指針，顯示圖像時使用
    char               m_chBmpBuf[2048];                 //<BIMTAPINFO 存儲緩沖區，m_pBmpInfo即指向此緩沖區
    //這里的這個mfc繪圖句柄刪去
    //HDC                m_hDC;                            //<繪制圖像DC句柄
    BYTE               *m_pImageBuffer;                  //<保存翻轉后的圖像用於顯示
private:
    CGXBitmap& operator=(const CGXBitmap&);
    CGXBitmap(const CGXBitmap&);
};

#endif // CGXBITMAP_H

.......

 

qcustomplot.cpp

文件下載

鏈接：https://pan.baidu.com/s/1RqvkmACFslQxbHzkkihV_g
提取碼：o09o